[VB.NET]得到查询的返回值?
发布时间:2020-12-16 23:38:46 所属栏目:大数据 来源:网络整理
导读:得到查询的返回值? 就像ASP里面的request一样 比如数据库里的ID和PWD两列 我现在执行 Dim str As String = SLECET pwd FROM STU_TABLE WHERE ID= + uid.Text + ; Dim sqlcmd As System.Data.OleDb.OleDbCommand = New System.Data.OleDb.OleDbCommand(str,O
得到查询的返回值? 就像ASP里面的request一样 比如数据库里的ID和PWD两列 我现在执行 Dim str As String = SLECET pwd FROM STU_TABLE WHERE ID= + uid.Text + ; Dim sqlcmd As System.Data.OleDb.OleDbCommand = New System.Data.OleDb.OleDbCommand(str,OleDbConnection1) sqlcmd.ExecuteNonQuery() PWD是一个字符串,怎样得到查询得到的PWD? __________________________________________________________________________ up __________________________________________________________________________ up __________________________________________________________________________ string pass = sqlcmd.ExecuteScalar().ToString(); __________________________________________________________________________ string pass = Convert.ToString(sqlcmd.ExecuteScalar()) __________________________________________________________________________ dim aa as string string aa =Convert.ToString(sqlcmd.ExecuteScalar) __________________________________________________________________________ sqlcmd.ExecuteScalar返回查询结果的第一行第一列 __________________________________________________________________________ (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |